Mercurial > hg > orthanc-stone
diff OrthancStone/Sources/Messages/IObservable.cpp @ 1512:244ad1e4e76a
reorganization of folders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 07 Jul 2020 16:21:02 +0200 |
parents | Framework/Messages/IObservable.cpp@323bf6040f5d |
children | 8563ea5d8ae4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancStone/Sources/Messages/IObservable.cpp Tue Jul 07 16:21:02 2020 +0200 @@ -0,0 +1,123 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero General Public License + * as published by the Free Software Foundation, either version 3 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#include "IObservable.h" + +#include "../StoneException.h" + +#include <Logging.h> + +#include <cassert> + +namespace OrthancStone +{ + IObservable::~IObservable() + { + // delete all callables (this will also unregister them from the broker) + for (Callables::const_iterator it = callables_.begin(); + it != callables_.end(); ++it) + { + for (std::set<ICallable*>::const_iterator + it2 = it->second.begin(); it2 != it->second.end(); ++it2) + { + delete *it2; + } + } + } + + + void IObservable::RegisterCallable(ICallable* callable) + { + if (callable == NULL) + { + throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); + } + + const MessageIdentifier& id = callable->GetMessageIdentifier(); + callables_[id].insert(callable); + } + + void IObservable::EmitMessageInternal(const IObserver* receiver, + const IMessage& message) + { + //LOG(TRACE) << "IObservable::EmitMessageInternal receiver = " << std::hex << receiver << std::dec; + Callables::const_iterator found = callables_.find(message.GetIdentifier()); + + if (found != callables_.end()) + { + for (std::set<ICallable*>::const_iterator + it = found->second.begin(); it != found->second.end(); ++it) + { + assert(*it != NULL); + + boost::shared_ptr<IObserver> observer((*it)->GetObserver().lock()); + + if (observer) + { + if (receiver == NULL || // Are we broadcasting? + observer.get() == receiver) // Not broadcasting, but this is the receiver + { + try + { + (*it)->Apply(message); + } + catch (Orthanc::OrthancException& e) + { + LOG(ERROR) << "Exception on callable: " << e.What(); + } + catch (StoneException& e) + { + LOG(ERROR) << "Exception on callable: " << e.What(); + } + catch (...) + { + LOG(ERROR) << "Native exception on callable"; + } + } + } + else + { + // TODO => Remove "it" from the list of callables => This + // allows to suppress the need for "Unregister()" + } + } + } + } + + + void IObservable::BroadcastMessage(const IMessage& message) + { + EmitMessageInternal(NULL, message); + } + + + void IObservable::EmitMessage(boost::weak_ptr<IObserver> observer, + const IMessage& message) + { + //LOG(TRACE) << "IObservable::EmitMessage observer = " << std::hex << observer.get() << std::dec; + + boost::shared_ptr<IObserver> lock(observer.lock()); + if (lock) + { + EmitMessageInternal(lock.get(), message); + } + } +}